ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { /* Ultrix mips cc rejects this.  */
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { signed char x;
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern int foo(int bar);
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { ;}
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
t() { ;}
       ^
4 warnings generated.

ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { char *cp = MAKESTRING(foo);
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { char *GLUE(c,p) = "foo";
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern void *foo();
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.

ignoreme: error: unknown type name 'error'
  error
  ^
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() {  }
^
int



ignoreme: error: typedef redefinition with different types ('void' vs '__sigset_t')
typedef void sigset_t;
             ^
/usr/include/bits/types/sigset_t.h:7:20: note: previous definition is here
typedef __sigset_t sigset_t;
                   ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() {  }
^
int
ignoreme: error: typedef redefinition with different types ('void' vs '__sig_atomic_t' (aka 'int'))
typedef void sig_atomic_t;
             ^
/usr/include/bits/types/sig_atomic_t.h:8:24: note: previous definition is here
typedef __sig_atomic_t sig_atomic_t;
                       ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() {  }
^
int
ignoreme: error: redefinition of 'sigaction'
struct sigaction {char *foo;};
       ^
/usr/include/bits/sigaction.h:27:8: note: previous definition is here
struct sigaction
       ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() {  }
^
int
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigaction();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigaction();
                                ^
/usr/include/signal.h:243:12: note: conflicting prototype is here
extern int sigaction (int __sig, const struct sigaction *__restrict __act,
           ^
ignoreme: error: conflicting types for 'sigaction'
t() { extern struct {int foo;} *sigaction();
                                ^
/usr/include/signal.h:243:12: note: previous declaration is here
extern int sigaction (int __sig, const struct sigaction *__restrict __act,
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigemptyset();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigemptyset();
                                ^
/usr/include/signal.h:199:12: note: conflicting prototype is here
extern int sigemptyset (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigemptyset'
t() { extern struct {int foo;} *sigemptyset();
                                ^
/usr/include/signal.h:199:12: note: previous declaration is here
extern int sigemptyset (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigfillset();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigfillset();
                                ^
/usr/include/signal.h:202:12: note: conflicting prototype is here
extern int sigfillset (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigfillset'
t() { extern struct {int foo;} *sigfillset();
                                ^
/usr/include/signal.h:202:12: note: previous declaration is here
extern int sigfillset (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigaddset();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigaddset();
                                ^
/usr/include/signal.h:205:12: note: conflicting prototype is here
extern int sigaddset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigaddset'
t() { extern struct {int foo;} *sigaddset();
                                ^
/usr/include/signal.h:205:12: note: previous declaration is here
extern int sigaddset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigdelset();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigdelset();
                                ^
/usr/include/signal.h:208:12: note: conflicting prototype is here
extern int sigdelset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigdelset'
t() { extern struct {int foo;} *sigdelset();
                                ^
/usr/include/signal.h:208:12: note: previous declaration is here
extern int sigdelset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigismember();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigismember();
                                ^
/usr/include/signal.h:211:12: note: conflicting prototype is here
extern int sigismember (const sigset_t *__set, int __signo)
           ^
ignoreme: error: conflicting types for 'sigismember'
t() { extern struct {int foo;} *sigismember();
                                ^
/usr/include/signal.h:211:12: note: previous declaration is here
extern int sigismember (const sigset_t *__set, int __signo)
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigaction();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigaction();
                                ^
/usr/include/signal.h:243:12: note: conflicting prototype is here
extern int sigaction (int __sig, const struct sigaction *__restrict __act,
           ^
ignoreme: error: conflicting types for 'sigaction'
t() { extern struct {int foo;} *sigaction();
                                ^
/usr/include/signal.h:243:12: note: previous declaration is here
extern int sigaction (int __sig, const struct sigaction *__restrict __act,
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigprocmask();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigprocmask();
                                ^
/usr/include/signal.h:232:12: note: conflicting prototype is here
extern int sigprocmask (int __how, const sigset_t *__restrict __set,
           ^
ignoreme: error: conflicting types for 'sigprocmask'
t() { extern struct {int foo;} *sigprocmask();
                                ^
/usr/include/signal.h:232:12: note: previous declaration is here
extern int sigprocmask (int __how, const sigset_t *__restrict __set,
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigpending();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigpending();
                                ^
/usr/include/signal.h:247:12: note: conflicting prototype is here
extern int sigpending (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigpending'
t() { extern struct {int foo;} *sigpending();
                                ^
/usr/include/signal.h:247:12: note: previous declaration is here
extern int sigpending (sigset_t *__set) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *sigsuspend();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *sigsuspend();
                                ^
/usr/include/signal.h:240:12: note: conflicting prototype is here
extern int sigsuspend (const sigset_t *__set) __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'sigsuspend'
t() { extern struct {int foo;} *sigsuspend();
                                ^
/usr/include/signal.h:240:12: note: previous declaration is here
extern int sigsuspend (const sigset_t *__set) __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
/usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sci-libs/xgks-pmel-2.5.5/temp/conftest.o: in function `t':
conftest.c:(.text+0x13): undefined reference to `sigvec'
clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
/usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sci-libs/xgks-pmel-2.5.5/temp/conftest.o: in function `t':
conftest.c:(.text+0x13): warning: the `sigstack' function is dangerous.  `sigaltstack' should be used instead.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
/usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sci-libs/xgks-pmel-2.5.5/temp/conftest.o: in function `t':
conftest.c:(.text+0x13): undefined reference to `bsdsigp'
clang-15: error: linker command failed with exit code 1 (use -v to see invocation)

ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *atexit();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *atexit();
                                ^
/usr/include/stdlib.h:602:12: note: conflicting prototype is here
extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));
           ^
ignoreme: error: conflicting types for 'atexit'
t() { extern struct {int foo;} *atexit();
                                ^
/usr/include/stdlib.h:602:12: note: previous declaration is here
extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.

ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *strerror();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *strerror();
                                ^
ignoreme: error: conflicting types for 'strerror'
/usr/include/string.h:419:14: note: previous declaration is here
extern char *strerror (int __errnum) __THROW;
             ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { extern struct {int foo;} *strstr();
^
int
ignoreme: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a previous declaration [-Wdeprecated-non-prototype]
t() { extern struct {int foo;} *strstr();
                                ^
ignoreme: error: conflicting types for 'strstr'
/usr/include/string.h:350:14: note: previous declaration is here
extern char *strstr (const char *__haystack, const char *__needle)
             ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
4 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: incompatible redeclaration of library function 'index' [-Wincompatible-library-redeclaration]
extern char index(); index();
            ^
ignoreme: note: 'index' is a builtin with type 'char *(const char *, int)'
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
5 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main() { exit(0); } 
^
int
ignoreme: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
main() { exit(0); } 
         ^
ignoreme: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
t() { 
^
int
ignoreme: warning: incompatible redeclaration of library function 'rindex' [-Wincompatible-library-redeclaration]
extern char rindex(); rindex();
            ^
ignoreme: note: 'rindex' is a builtin with type 'char *(const char *, int)'
ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 }
 ^
5 warnings generated.
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
main()
^
int
ignoreme: warning: call to undeclared function 'readsub'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    return readsub((char*)NULL) ? 0 : 1;
           ^
ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
readsub(inpath)
^
int
ignoreme: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
4 warnings generated.